I have a 2004.5 Sportsman 400 with ebs...When we were riding yesterday the clutch quit upshifting...It seems to stay in low all the time..Any ideas what went wrong...p.s..When you let off the throttle it will almost throw over the handle bars...[img]i/expressions/face-icon-small-shocked.gif[/img]

 

i didnt realize that the 400 had ebs. my wifes 450 doesnt. maybe the ebs bearing in the primary clutch is bad
take off the cover and belt and have a look

 

STENDORI...tHANKS FOR THE REPLY..I checked then one way clutch and seems to be ok..I am going to mark the drive clutch with a marker and see if it is moving up properly...

 

Check your primary and secondary springs

 

My two 450 don't have EBS here in Canada. They are extra from the dealer,he told me ...but you can get them on if you want....I talked to the dealer about it before i bought them, and told him I didn't have or used EBS before and should I get it, he told my plain and simple that you don't need it......After using them I agree I don't need it ........they slow down enough without the EBS when you let off the gas!!!!!!!!!

 

[img]i/expressions/face-icon-small-blush.gif[/img]Finally found the problem with my clutch...The driven clutch was completly locked up..Loaned it to a friend and being unfamiliar with Polaris never used low when crossing logs,climbing rocks and steep inclines...The helix has very deep groves cut into it and the rollers are shot...I am in the process of doing a complete rebuild...

 

mountaineer rider

I would highly recommend a rollar secondary if you are going to rebuild. It will cost a little more but it wont fail in the long run. It will give you better upshift and downshift. It has no resistance in the clutch unlike the regular ramp buttons that have alot of resistance.

 

since i havent had mine off yet do you know if the 800 has the buttons or roller set up on the secondary? thanks

 

The 800 has rollers..Just got mine back together...Runs as good if not better then when new..The rollers were shot..the bushings were worn bad...Just remember if you loan your atv with ebs to a non Polaris owner to be sure and downshift to low when rock climbing and crossing logs...Or be ready to spend about 300.00 bucks..